добавил удаление пользователей, немного косметических изменений

users/urls.py

@@ -25,5 +25,5 @@ urlpatterns = [
     path('list', views.view_list, name='accounts-list'),
     path('view/<str:username>', views.view_account, name='account-view'),
     path('change-password', views.view_change_password, name='change-password'),
-    path('delete/<str:username>', views.default_view, name='delete-account'),
+    path('delete/<str:username>', views.view_delete, name='delete-account'),
 ]

users/views.py

@@ -10,10 +10,6 @@ from .models import User
 from .forms import UserRegisterForm
 
 
-def default_view(request, *args, **kwargs):
-    return HttpResponse('Not implemented!')
-
-
 def view_logout(request):
     logout(request)
     # перенаправляем на страницу авторизации
@@ -68,7 +64,7 @@ def view_account(request, username=None):
                 except:
                     return Http404()
             else:
-                raise PermissionError()
+                return HttpResponseForbidden()
     return render(request, 'account/view.html', {'view_user': view_user})
 
 
@@ -147,3 +143,22 @@ def view_change_password(request):
 @permission_required(perm='users.view_user', raise_exception=True)
 def view_list(request):
     return render(request, 'account/list.html', {'users': User.objects.order_by('login')})
+
+
+@login_required
+@permission_required(perm='users.delete_user', raise_exception=True)
+def view_delete(request, username):
+    if username != request.user.login:
+        try:
+            target_user = User.objects.get_by_natural_key(username)
+            if request.method == 'GET':
+                return render(request, 'account/delete.html', {'target_user': target_user})
+            elif request.method == 'POST':
+                target_user.delete()
+                return HttpResponseRedirect('/account/list')
+            else:
+                return HttpResponseBadRequest()
+        except:
+            return Http404()
+    else:
+        return HttpResponseForbidden()